2543414245 has 8 divisors (see below), whose sum is σ = 3059787384. Its totient is φ = 2029604544.

The previous prime is 2543414239. The next prime is 2543414249. The reversal of 2543414245 is 5424143452.

It can be written as a sum of positive squares in 4 ways, for example, as 779582241 + 1763832004 = 27921^2 + 41998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2543414245 - 2⁷ = 2543414117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543414245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543414249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638674 + ... + 642643.

It is an arithmetic number, because the mean of its divisors is an integer number (382473423).

Almost surely, 2^2543414245 is an apocalyptic number.

It is an amenable number.

2543414245 is a deficient number, since it is larger than the sum of its proper divisors (516373139).

2543414245 is a wasteful number, since it uses less digits than its factorization.

2543414245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281719.

The product of its digits is 76800, while the sum is 34.

The square root of 2543414245 is about 50432.2738432445. The cubic root of 2543414245 is about 1365.0200581165.

Adding to 2543414245 its reverse (5424143452), we get a palindrome (7967557697).

The spelling of 2543414245 in words is "two billion, five hundred forty-three million, four hundred fourteen thousand, two hundred forty-five".